45056831 has 2 divisors, whose sum is σ = 45056832. Its totient is φ = 45056830.

The previous prime is 45056821. The next prime is 45056833. The reversal of 45056831 is 13865054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45056831 - 2¹⁰ = 45055807 is a prime.

It is a super-2 number, since 2×45056831² = 4060236039525122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 45056833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45056833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22528415 + 22528416.

It is an arithmetic number, because the mean of its divisors is an integer number (22528416).

Almost surely, 2^45056831 is an apocalyptic number.

45056831 is a deficient number, since it is larger than the sum of its proper divisors (1).

45056831 is an equidigital number, since it uses as much as digits as its factorization.

45056831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 45056831 is about 6712.4385285826. The cubic root of 45056831 is about 355.8390021285.

The spelling of 45056831 in words is "forty-five million, fifty-six thousand, eight hundred thirty-one".